Ordering Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or decimal form, then determine which is greater or lesser.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number and ending with the largest.

Front

What is the decimal equivalent of 2/5?

Back

The decimal equivalent of 2/5 is 0.4.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |3| = 3 and |-3| = 3.

Front

How do you determine if two numbers are equal?

Back

Two numbers are equal if they represent the same value, regardless of their form (fraction, decimal, etc.).

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor is the largest positive integer that divides two or more numbers without leaving a remainder.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest positive integer that is a multiple of two or more numbers.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the least common denominator, determine the least common multiple of the denominators of the fractions.